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Division of labour in a primitive insect society

Division of Labor

In most social insect colonies, a single individual, the queen, is privileged to produce offspring while the rest of the members, the workers, spend their entire lives working for the welfare of the colony and rear the queen's offspring. In addition to such reproductive division of labour between the queens and her workers, sub-sets of workers divide non-reproductive labour among themselves, such as working at home versus going out to obtain food, for example. How the members of a colony agree on and bring about an efficient and conflict-free division of labour is of great interest.

The scent of life: Phoretic nematodes use wasp volatiles and carbon dioxide to choose functional vehicles for dispersal.

Scent of Life

"Ever thought, "what is the scent of life?" and "can nematodes differentiate between different physiological states of their host?". To get answers and insights on the vehicle-passenger relationship do read this paper.

 https://link.springer.com/article/10.1007/s10886-021-01242-5#citeas

 

CES invites applications for Inclusive Ecology Workshop, Feb 2021 (Deadline 5th Feb)

Inclusive Ecology is an online workshop organised by the Centre for Ecological Sciences, Indian Institute of Science, Bengaluru. 

The workshop will introduce participants to broad concepts and approaches in the fields of Ecology, Evolution, Behaviour, Conservation and Quantitative Thinking via workshops. We will also conduct workshops on building professional skills, careers in ecology, and life as a PhD. student.

Too many, too few, or empty: the number of passengers determines whether nematodes will hitchhiker on a vehicle

JAEBlog

Ever thought, if tiny organisms can count and how do they do it? Find the answer in this paper. Also, find cool insights on the vehicle-passenger relationship.

 https://animalecologyinfocus.com/2021/01/08/too-many-too-few-or-empty-the-number-of-passengers-determines-whether-nematodes-will-hitchhike-on-a-vehicle/

Announcement of Vacancy for the Position of Administrative Assistant in the LTEO programme

LTEO Admin Asst Vacancy

● Exposure to enterprise & accounting management software such as Tally and SAP.

Remuneration:

Salary will be commensurate with qualifications and work experience within the range of Rs. 20,000/- to Rs. 28,000/- per month.

How to apply:

● Submit a complete CV along with a cover letter (not exceeding one page) clearly conveying why you consider yourself a suitable candidate for this position.

Joint impacts of climate change and forest degradation on the survival of Himalayan birds

Fulvetta

A Yellow-throated Fulvetta (Pseudominla cinerea), one of the study species, with a numbered aluminium ring on its leg. Bird ringing allows us to estimate how survival probabilities change over time because of climate change. This informs effective conservation action that maximises the resilience of species in the face of climate change and habitat loss.

 

Joint impacts of climate change and forest degradation on the survival of Himalayan birds

Foraging in nature

foraging

Butterflies respond to complex ecological conditions while foraging in the wild. The spatial scale of resource distribution and also adult nectar and larval resources influences butterfly foraging decisions. At large-spatial scales butterflies spent more time feeding in resource-poor areas as compared to resource-rich areas but at small spatial scales butterflies spent more time foraging in resource-rich patches. Our findings indicate that animals are capable of evaluating multiple resources at multiple spatial scales.

Multiple Sensory Modalities in Diurnal Geckos Is Associated with the Signaling Environment and Evolutionary Constraints

Gecko

Being conspicuous in the environment allows males to attract mates and warn other males of their presence. Males of a species often use signal traits in different sensory modalities to achieve this. However, as elaboration of several signal-traits is demanding, trade-offs in investment in signal-traits in different modalities is expected, especially since not all traits are equally conspicuous in all environments. In Kabir et al. 2020, we show that signal traits in the chemical and visual modalities in the diurnal gecko, Cnemaspis are well associated with the local environment.

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